HAYFIELD PUMP PLT, CALIFORNIA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 65.2 69.8 74.0 81.2 89.3 99.0 103.9 102.3 96.8 86.7 74.2 66.0 84.0
Highest Mean Max. Temperature (F) 72.2 77.0 85.7 91.1 97.3 104.4 106.8 106.7 102.0 93.9 80.3 73.5 86.3
Year Highest Occurred 1986 1963 1972 1989 1984 1981 1989 1969 1979 1964 1962 1980 1981
Lowest Mean Max. Temperature (F) 56.7 64.3 67.2 71.5 80.9 92.6 100.4 97.7 89.9 78.9 68.7 60.3 82.1
Year Lowest Occurred 1979 1969 1973 1975 1977 1969 1984 1983 1976 1972 1972 1984 1982
Mean Temperature (F) 52.4 56.4 60.1 66.4 74.1 83.0 89.7 88.2 81.7 71.4 60.2 52.7 69.7
Highest Mean Temperature (F) 56.9 62.7 68.2 74.5 80.2 88.6 92.2 93.0 84.7 77.5 63.7 58.5 71.8
Year Highest Occurred 1986 1963 1972 1989 1984 1981 1972 1969 1981 1964 1962 1980 1981
Lowest Mean Temperature (F) 47.2 51.2 55.1 57.8 67.6 77.6 85.7 84.1 75.6 65.4 56.6 47.8 68.1
Year Lowest Occurred 1979 1966 1962 1967 1977 1965 1986 1979 1985 1971 1972 1968 1975
Mean Min. Temperature (F) 39.6 42.9 46.0 51.6 58.9 66.9 75.3 74.0 66.6 56.0 46.0 39.4 55.3
Highest Mean Min. Temperature (F) 45.2 48.5 50.7 57.9 63.1 72.7 78.0 79.3 71.2 61.4 50.5 43.4 57.3
Year Highest Occurred 1980 1968 1972 1989 1984 1981 1972 1969 1983 1978 1969 1980 1981
Lowest Mean Min. Temperature (F) 34.0 36.5 40.5 43.6 54.3 62.1 70.3 67.7 60.5 51.1 41.9 32.5 53.5
Year Lowest Occurred 1972 1975 1977 1967 1977 1965 1987 1976 1986 1971 1971 1968 1975
Mean Precipitation (in.) 0.50 0.43 0.42 0.11 0.09 0.01 0.29 0.70 0.37 0.28 0.30 0.40 3.90
Highest Precipitation (in.) 2.71 3.64 3.06 0.83 1.64 0.10 2.56 5.06 5.42 1.75 1.93 1.72 11.33
Year Highest Occurred 1978 1980 1983 1965 1980 1972 1968 1983 1976 1978 1985 1984 1983
Lowest Precipitation (in.) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.59
Year Lowest Occurred 1972 1989 1989 1989 1989 1989 1990 1987 1980 1988 1989 1990 1964
Heating Degree Days (F) 391. 250. 188. 101. 6. 0. 0. 0. 0. 23. 160. 385. 1504.
Cooling Degree Days (F) 0. 9. 36. 143. 288. 540. 766. 719. 501. 221. 16. 0. 3239.

Western Regional Climate Center, wrcc@dri.edu